890239210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{12717703}}^1$

素因数の和:12717717

約数の個数: 16

約数和(自身を含む): 1831349376

約数和(自身を除く): 941110166

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 12717703, 25435406, 63588515, 89023921, 127177030, 178047842, 445119605, 890239210]

約数ペア:

[(1, 890239210), (2, 445119605), (5, 178047842), (7, 127177030), (10, 89023921), (14, 63588515), (35, 25435406), (70, 12717703)]